CVE-2016-8652

Description

The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 16.37% Top 10%
Vendor Advisory dovecot.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/94639 third party advisory vdb entry
http://www.openwall.com/lists/oss-security/2016/12/02/4 third party advisory mailing list
http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html vendor advisory mailing list release notes
http://www.openwall.com/lists/oss-security/2016/12/05/12 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2016-8652?
CVE-2016-8652 has been scored as a medium severity vulnerability.
How to fix CVE-2016-8652?
To fix CVE-2016-8652, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-8652 being actively exploited in the wild?
It is possible that CVE-2016-8652 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~16% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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